Modern Security, Made Simple.

A versatile FIDO U2F & FIDO2 key with USB-C and NFC — secure passwordless login across desktops and mobile devices.
Get It Now

Plug It In. Stay Protected.

A tiny USB security key that stays on your PC — passwordless, phishing-resistant, and always ready.
Get It Now

Key to Invincible Security

Our advanced security keys use the FIDO2 protocol to provide unparalleled protection for your data.
Explore Thetis Products
Thetis Security Key Collection

Thetis Pro All-in-One

The Pro Series supports USB A/C & NFC, making it the ultimate all-in-one solution.
Get it Now
Thetis Pro-C Security Key

AS SEEN IN THE PRESS

FIDO Certified
Officially certified by Fido Aliance to protect hundreds of web services.
Extreme Durable
Crafted from a durable aluminum alloy to protect the Key from drops, bumps and scratches.
Biometric Security Key
Future Proof Compatibility
Built on the widely recognized FIDO2 standard, seamless integrated with current and future web technology deployments.
IC Level Security
Protected by IC Chip that certified under CC EAL6+ one of highest security standard to ensure device integrity

COUNT ON US

500K+

Keys Distributed

Equipping over 500,000 users globally, we promote safer digital environments with our advanced security keys.
1000K+

Accounts Secured

Our keys protect over 1 million user accounts, demonstrating a firm commitment to digital safety.
3000

Days of Excellence

Reflecting over 3,000 days of continuous innovation and dedication to advancing cybersecurity technologies.

WHY CHOOSE THETIS?

Products are not built equal. Every Thetis device is Well-designed, Comprehensively backed, and Expertly crafted.

PROTECT BUSINESS

FIDO2 devices protect businesses by providing strong, phishing-resistant authentication, eliminating passwords, and securing employees' accounts from hacks, thereby safeguarding sensitive information.
Shop Now

PROTECT INDIVIDUALS

A FIDO2 device protects individual users by providing strong multi-factor authentication (MFA). It prevents phishing attacks and unauthorized access using unique cryptographic keys, enhancing personal data security across various online services.
Shop Now

PASSWORDLESS FOR EVERYONE

The THETIS key supports a passwordless function, eliminating the need to remember and manage multiple passwords. It streamlines the login process with quick, secure authentication, reducing the risk of security issues and saving time.
Shop Now
Businesses
Individuals
Password-less
Trusted and Acclaimed by Industry Experts

FIDO CERTIFIED TO PROTECT HUNDREDS OF SERVICES

Discover Our Advanced Security Keys

Designed to meet your authentication needs with ease and efficiency.
Our customers enjoy using THETIS

TESTMONIALS

5.00

Until everything is USB-C, having both A and C and NFC all in one durable metal package is a no-brainer. Most of the other brands aren't that flexible and look cheaply made.

Duane Moody
USA
5.00

This key is value for money when you compare it to other brands it is accepted by almost all sites that another brand can. iIt's easy to register, and easy to set up on the sites where you would like extra security. I am very happy with this purchase, and I think you will be as well.

CarDiaC
UK
5.00

La combinaison de l'USB A, USB C et NFC est idéale. Ayant cassé un précédent petit dongle USB A FIDO2 en le laissant connecté sur le PC portable (bien qu'il ne dépassait que de moins d'un cm), je voulais quelque chose de plus solide. Là, c'est livré avec un petit étui et je ne le laisserais plus en permanence sur le pc.

laurentm
France
5.00

stelle Prodotto conforme 100%

Ignazio5
Italia
5.00

Until everything is USB-C, having both A and C and NFC all in one durable metal package is a no-brainer. Most of the other brands aren't that flexible and look cheaply made.

Duane Moody
USA
5.00

This key is value for money when you compare it to other brands it is accepted by almost all sites that another brand can. iIt's easy to register, and easy to set up on the sites where you would like extra security. I am very happy with this purchase, and I think you will be as well.

CarDiaC
UK
5.00

La combinaison de l'USB A, USB C et NFC est idéale. Ayant cassé un précédent petit dongle USB A FIDO2 en le laissant connecté sur le PC portable (bien qu'il ne dépassait que de moins d'un cm), je voulais quelque chose de plus solide. Là, c'est livré avec un petit étui et je ne le laisserais plus en permanence sur le pc.

laurentm
France
5.00

stelle Prodotto conforme 100%

Ignazio5
Italia
5.00

It really makes using a password manager a joyful experience almost as easy as the face recognition on my iPad.

KurtWuest
USA
5.00

Ich habe den Key gekauft, um die Funktionen des neuen FIDO2 Systems zu testen. Der Key funktionierte nach Konfiguration des Systems auf Anhieb und 100% zuverlässig. Keine Cloud-Verbindung, keine Komplexität in der Benutzung. Damit erfüllt er die wichtigste Voraussetzung neben der an sich sicheren Authentifizierung: zuverlässig und offline nutzbar. Ich habe den Key auf einem Linux-Notebook konfiguriert.

Josh
Germany
5.00

Parfaitement compatible avec iOS android Windows Linux et Mac, je m’en sert sur tout mes compte qui propose du 2fa cependant le nfc même si on la mes en T est un peux capricieux ( faut s’y reprendre plusieurs fois) je recommande tout de même pour sont prix attractif

François-Xavier
 France
5.00

It really makes using a password manager a joyful experience almost as easy as the face recognition on my iPad.

KurtWuest
USA
5.00

Ich habe den Key gekauft, um die Funktionen des neuen FIDO2 Systems zu testen. Der Key funktionierte nach Konfiguration des Systems auf Anhieb und 100% zuverlässig. Keine Cloud-Verbindung, keine Komplexität in der Benutzung. Damit erfüllt er die wichtigste Voraussetzung neben der an sich sicheren Authentifizierung: zuverlässig und offline nutzbar. Ich habe den Key auf einem Linux-Notebook konfiguriert.

Josh
Germany
5.00

Parfaitement compatible avec iOS android Windows Linux et Mac, je m’en sert sur tout mes compte qui propose du 2fa cependant le nfc même si on la mes en T est un peux capricieux ( faut s’y reprendre plusieurs fois) je recommande tout de même pour sont prix attractif

François-Xavier
 France
5.00

I’m not an expert on security keys but I preferred this one since it’s the cheapest available key and you can connect to almost any device with USB-A, UAB-C and NFC. I tried all connection types and they all worked well.

OZGUR BASEGMEZ
UK
5.00

Funktioniert einfach und zuverlässing mit den gängigen Browsern (Edge, Chrome) unter Windows und Android. Unix/Linux habe ich nicht getestet. Am meinem Mobiltelefon mit Android 13 auch mit USB und NFC. Nun kann ich meinen FIDO2 Key am PC und auch modil verwenden. So soll es sein.

Andondo
Germany
5.00

io lo provato ho windows11 che prevede la psskey e google cromo funzionano perfettamente

pasqualino
Italia
5.00

I’m not an expert on security keys but I preferred this one since it’s the cheapest available key and you can connect to almost any device with USB-A, UAB-C and NFC. I tried all connection types and they all worked well.

OZGUR BASEGMEZ
UK
5.00

Funktioniert einfach und zuverlässing mit den gängigen Browsern (Edge, Chrome) unter Windows und Android. Unix/Linux habe ich nicht getestet. Am meinem Mobiltelefon mit Android 13 auch mit USB und NFC. Nun kann ich meinen FIDO2 Key am PC und auch modil verwenden. So soll es sein.

Andondo
Germany
5.00

io lo provato ho windows11 che prevede la psskey e google cromo funzionano perfettamente

pasqualino
Italia
5.00

Until everything is USB-C, having both A and C and NFC all in one durable metal package is a no-brainer. Most of the other brands aren't that flexible and look cheaply made.

Duane Moody
USA
5.00

It really makes using a password manager a joyful experience almost as easy as the face recognition on my iPad.

KurtWuest
USA
5.00

I’m not an expert on security keys but I preferred this one since it’s the cheapest available key and you can connect to almost any device with USB-A, UAB-C and NFC. I tried all connection types and they all worked well.

OZGUR BASEGMEZ
UK
5.00

This key is value for money when you compare it to other brands it is accepted by almost all sites that another brand can. iIt's easy to register, and easy to set up on the sites where you would like extra security. I am very happy with this purchase, and I think you will be as well.

CarDiaC
UK
5.00

Ich habe den Key gekauft, um die Funktionen des neuen FIDO2 Systems zu testen. Der Key funktionierte nach Konfiguration des Systems auf Anhieb und 100% zuverlässig. Keine Cloud-Verbindung, keine Komplexität in der Benutzung. Damit erfüllt er die wichtigste Voraussetzung neben der an sich sicheren Authentifizierung: zuverlässig und offline nutzbar. Ich habe den Key auf einem Linux-Notebook konfiguriert.

Josh
Germany
5.00

Funktioniert einfach und zuverlässing mit den gängigen Browsern (Edge, Chrome) unter Windows und Android. Unix/Linux habe ich nicht getestet. Am meinem Mobiltelefon mit Android 13 auch mit USB und NFC. Nun kann ich meinen FIDO2 Key am PC und auch modil verwenden. So soll es sein.

Andondo
Germany
5.00

La combinaison de l'USB A, USB C et NFC est idéale. Ayant cassé un précédent petit dongle USB A FIDO2 en le laissant connecté sur le PC portable (bien qu'il ne dépassait que de moins d'un cm), je voulais quelque chose de plus solide. Là, c'est livré avec un petit étui et je ne le laisserais plus en permanence sur le pc.

laurentm
France
5.00

Parfaitement compatible avec iOS android Windows Linux et Mac, je m’en sert sur tout mes compte qui propose du 2fa cependant le nfc même si on la mes en T est un peux capricieux ( faut s’y reprendre plusieurs fois) je recommande tout de même pour sont prix attractif

François-Xavier
 France
5.00

io lo provato ho windows11 che prevede la psskey e google cromo funzionano perfettamente

pasqualino
Italia
5.00

stelle Prodotto conforme 100%

Ignazio5
Italia

Bug and Disclosure Program

Ensuring the highest level of security for our users is our top priority. We highly value the contributions of the security research community in identifying and addressing potential vulnerabilities in our products. Collaborating with researchers allows us to promptly identify and fix security issues.
FIND MORE